9988950420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1180727}}^1$

素因数の和:1180789

約数の個数: 72

約数和(自身を含む): 30944519424

約数和(自身を除く): 20955569004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 1180727, 2361454, 3542181, 4722908, 5903635, 7084362, 10626543, 11807270, 14168724, 17710905, 21253086, 23614540, 35421810, 42506172, 53132715, 55494169, 70843620, 106265430, 110988338, 166482507, 212530860, 221976676, 277470845, 332965014, 499447521, 554941690, 665930028, 832412535, 998895042, 1109883380, 1664825070, 1997790084, 2497237605, 3329650140, 4994475210, 9988950420]

約数ペア:

[(1, 9988950420), (2, 4994475210), (3, 3329650140), (4, 2497237605), (5, 1997790084), (6, 1664825070), (9, 1109883380), (10, 998895042), (12, 832412535), (15, 665930028), (18, 554941690), (20, 499447521), (30, 332965014), (36, 277470845), (45, 221976676), (47, 212530860), (60, 166482507), (90, 110988338), (94, 106265430), (141, 70843620), (180, 55494169), (188, 53132715), (235, 42506172), (282, 35421810), (423, 23614540), (470, 21253086), (564, 17710905), (705, 14168724), (846, 11807270), (940, 10626543), (1410, 7084362), (1692, 5903635), (2115, 4722908), (2820, 3542181), (4230, 2361454), (8460, 1180727)]